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參數(shù)資料
| 型號： | STLC1512 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | NorthenLite⑩ G.lite BiCMOS Analog Front-End Circuit |
| 中文描述： | NorthenLite⑩G.lite的BiCMOS模擬前端電路 |
| 文件頁數(shù)： | 11/26頁 |
| 文件大?。?/td> | 329K |
| 代理商： | STLC1512 |
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STLC1512
4.4 Amplifier Performance Specification
The two amplifiers on the STLC1512 are identical. One of them is used for the second order active low pass
filter that follows the PGA in the receive path. The other is an undedicated opamp that can be used either in the
transmit or receive paths.
The LPF amplifier is powered from the RXVCC supply and is therefore intended to be used in the receive path.
It has its positive terminal tied to the receive AC ground (RXANG) on chip.
The undedicated op amp is powered from TXVCC. It is intended for use in the transmit path but could be used
in the receive path. Using it in the receive path may cause receive noise to be coupled into the transmit path.
There should not be an issue with transmit noise coupling into the receive path in either configuration.
Figure 4. Power Supply Rejection of the PGA
1
<1>These curves represent typical performance. 6dB of margin is required for worst case.
dB
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